<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>

		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求参数对象
				queryobj: {
					query: "",
					cid: "",
					pagenum: 1,
					pagesize: 10
				},
				// 
				goodsList: [],
				// 总数量，用来实现分页
				total: 0,
				// 节流阀
				isloading: false
			};



		},
		onLoad(options) {

			this.queryobj.query = options.query || ''
			this.queryobj.cid = options.cid || ''

			// console.log(this.queryobj)
			// 调用获取数据列表
			this.getGoodsList()
		},
		methods: {
			// 获取商品列表数据的方法
			async getGoodsList(cb) {
				// 打开节流阀
				this.isloading = true
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/search', this.queryobj)
				// 关闭节流阀
				this.isloading = false
				cb && cb()
				if (res.meta.status !== 200) return uni.$showMsg()
				// 为数据赋值
				this.goodsList = [...this.goodsList, ...res.message.goods]
				this.total = res.message.total
			},
			gotoDetail(goods) {
				uni.navigateTo({
					url: '/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
				})
			}

		},
		onReachBottom() {
			// 当前的页码值 乘 每页显示多少条数据 >= 总条数
			if (this.queryobj.pagenum * this.queryobj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')

			if (this.isloading) return
			// 让页码自增加一
			this.queryobj.pagenum += 1
			this.getGoodsList()
		},
		onPullDownRefresh() {
			// 重置关键数据
			this.queryobj.pagenum = 1
			this.total = 0
			this.isloading = false
			this.goodsList = []


			// 重新发起请求
			this.getGoodsList(() => uni.stopPullDownRefresh())

		}


	}
</script>

<style lang="scss">

</style>